packagefs: Remove no longer working userland build support

src/add-ons/kernel/file_systems/packagefs/Jamfile

@@ -100,6 +100,3 @@ SEARCH on [ FGristFiles $(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES) ]
 	+= [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
 SEARCH on [ FGristFiles $(libSharedSources) ]
 	+= [ FDirName $(HAIKU_TOP) src kits shared ] ;
-
-
-HaikuSubInclude userland ;

src/add-ons/kernel/file_systems/packagefs/userland/Jamfile

@@ -1,23 +0,0 @@
-SubDir HAIKU_TOP src add-ons kernel file_systems packagefs userland ;
-
-
-UseLibraryHeaders zlib ;
-UsePrivateKernelHeaders ;
-UsePrivateHeaders haiku_package shared ;
-
-DEFINES += B_ENABLE_INCOMPLETE_POSIX_AT_SUPPORT ;
-	# TODO: Remove when it is complete!
-
-
-SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) ] ;
-SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src bin package ] ;
-SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src bin package compression ] ;
-
-
-Addon <userland>packagefs
-	:
-	$(HAIKU_PACKAGE_FS_SOURCES)
-	$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES)
-
-	: libuserlandfs_haiku_kernel.so $(TARGET_LIBSUPC++) libz.a
-;